/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:45:57,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:45:57,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:45:58,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:45:58,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:45:58,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:45:58,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:45:58,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:45:58,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:45:58,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:45:58,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:45:58,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:45:58,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:45:58,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:45:58,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:45:58,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:45:58,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:45:58,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:45:58,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:45:58,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:45:58,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:45:58,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:45:58,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:45:58,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:45:58,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:45:58,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:45:58,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:45:58,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:45:58,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:45:58,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:45:58,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:45:58,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:45:58,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:45:58,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:45:58,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:45:58,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:45:58,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:45:58,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:45:58,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:45:58,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:45:58,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:45:58,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:45:58,058 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:45:58,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:45:58,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:45:58,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:45:58,060 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:45:58,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:45:58,060 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:45:58,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:45:58,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:45:58,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:45:58,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:45:58,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:45:58,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:45:58,061 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:45:58,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:45:58,062 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:45:58,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:45:58,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:45:58,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:45:58,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:45:58,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:45:58,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:45:58,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:45:58,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:45:58,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:45:58,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:45:58,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:45:58,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:45:58,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:45:58,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:45:58,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:45:58,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:45:58,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:45:58,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:45:58,399 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:45:58,400 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-10-15 01:45:58,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/057f61bc1/c87b752561904d078dd482cbbb7a8eb2/FLAGd9cfcebf9 [2020-10-15 01:45:58,913 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:45:58,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-10-15 01:45:58,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/057f61bc1/c87b752561904d078dd482cbbb7a8eb2/FLAGd9cfcebf9 [2020-10-15 01:45:59,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/057f61bc1/c87b752561904d078dd482cbbb7a8eb2 [2020-10-15 01:45:59,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:45:59,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:45:59,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:45:59,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:45:59,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:45:59,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:45:59,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7035d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59, skipping insertion in model container [2020-10-15 01:45:59,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:45:59,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:45:59,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:45:59,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:45:59,764 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:45:59,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:45:59,940 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:45:59,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59 WrapperNode [2020-10-15 01:45:59,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:45:59,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:45:59,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:45:59,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:45:59,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:45:59,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:45:59,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:45:59,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:46:00,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:46:00,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:46:00,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (1/1) ... [2020-10-15 01:46:00,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:46:00,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:46:00,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:46:00,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:46:00,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:46:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:46:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:46:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:46:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:46:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:46:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:46:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:46:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:46:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:46:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:46:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:46:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:46:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:46:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:46:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:46:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:46:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-10-15 01:46:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-10-15 01:46:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-10-15 01:46:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-10-15 01:46:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-10-15 01:46:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-10-15 01:46:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:46:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-10-15 01:46:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-10-15 01:46:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:46:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:46:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:46:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:46:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:46:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:46:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-15 01:46:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:46:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-15 01:46:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:46:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:46:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:46:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:46:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-15 01:46:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:46:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:46:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:46:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:46:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:46:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:46:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:46:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:46:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-15 01:46:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:46:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:46:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:46:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:46:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:46:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:46:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:46:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:46:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:46:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:46:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:46:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:46:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:46:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:46:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:46:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:46:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:46:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:46:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:46:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:46:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:46:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:46:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:46:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:46:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:46:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:46:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:46:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:46:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:46:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:46:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:46:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:46:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:46:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-15 01:46:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:46:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:46:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:46:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:46:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:46:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-15 01:46:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:46:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:46:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:46:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-15 01:46:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:46:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-10-15 01:46:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:46:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-10-15 01:46:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-10-15 01:46:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-15 01:46:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-10-15 01:46:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-10-15 01:46:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:46:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-10-15 01:46:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-10-15 01:46:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-10-15 01:46:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:46:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:46:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:46:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:46:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:46:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:46:01,231 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:46:01,231 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:46:01,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:46:01 BoogieIcfgContainer [2020-10-15 01:46:01,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:46:01,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:46:01,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:46:01,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:46:01,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:45:59" (1/3) ... [2020-10-15 01:46:01,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74514baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:46:01, skipping insertion in model container [2020-10-15 01:46:01,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:45:59" (2/3) ... [2020-10-15 01:46:01,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74514baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:46:01, skipping insertion in model container [2020-10-15 01:46:01,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:46:01" (3/3) ... [2020-10-15 01:46:01,253 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2020-10-15 01:46:01,265 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:46:01,276 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:46:01,290 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:46:01,323 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:46:01,324 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:46:01,324 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:46:01,324 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:46:01,324 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:46:01,324 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:46:01,325 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:46:01,325 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:46:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states. [2020-10-15 01:46:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-15 01:46:01,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:46:01,357 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:46:01,358 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:46:01,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:46:01,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1384301403, now seen corresponding path program 1 times [2020-10-15 01:46:01,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:46:01,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163159708] [2020-10-15 01:46:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:46:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:01,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:01,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:02,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:04,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:04,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-15 01:46:04,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:46:04,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2917 [2020-10-15 01:46:04,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:04,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:04,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:46:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:46:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-15 01:46:04,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:46:05,095 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-15 01:46:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:46:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-15 01:46:05,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:46:05,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:46:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:46:05,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:46:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:46:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:46:05,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 01:46:05,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 01:46:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:46:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:05,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:46:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:05,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:46:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:05,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:46:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:05,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:46:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:05,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:46:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:05,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:46:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:46:05,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:46:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:46:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:46:05,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:46:05,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:46:05,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:46:05,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 01:46:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:05,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:46:05,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 01:46:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:46:05,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:46:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:46:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 01:46:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:05,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:05,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:05,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:05,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:05,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:05,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:46:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:05,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 01:46:05,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163159708] [2020-10-15 01:46:05,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:46:05,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 01:46:05,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451230598] [2020-10-15 01:46:05,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 01:46:05,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:46:05,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 01:46:05,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 01:46:05,510 INFO L87 Difference]: Start difference. First operand 248 states. Second operand 6 states. [2020-10-15 01:46:06,037 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-15 01:46:09,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:46:09,639 INFO L93 Difference]: Finished difference Result 655 states and 869 transitions. [2020-10-15 01:46:09,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:46:09,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-10-15 01:46:09,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:46:09,668 INFO L225 Difference]: With dead ends: 655 [2020-10-15 01:46:09,668 INFO L226 Difference]: Without dead ends: 448 [2020-10-15 01:46:09,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:46:09,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-15 01:46:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 359. [2020-10-15 01:46:09,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-10-15 01:46:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 449 transitions. [2020-10-15 01:46:09,842 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 449 transitions. Word has length 84 [2020-10-15 01:46:09,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:46:09,843 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 449 transitions. [2020-10-15 01:46:09,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 01:46:09,843 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 449 transitions. [2020-10-15 01:46:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-15 01:46:09,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:46:09,850 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:46:09,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:46:09,851 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:46:09,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:46:09,851 INFO L82 PathProgramCache]: Analyzing trace with hash -326319286, now seen corresponding path program 1 times [2020-10-15 01:46:09,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:46:09,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23513254] [2020-10-15 01:46:09,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:46:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:09,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:10,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:10,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-15 01:46:10,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:10,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-10-15 01:46:10,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:10,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:46:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:46:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-15 01:46:10,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,308 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-15 01:46:11,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:46:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 01:46:11,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:46:11,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:46:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:46:11,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:11,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:46:11,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:46:11,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:46:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:46:11,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 01:46:11,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 01:46:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:46:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:11,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:46:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:11,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:46:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:11,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:11,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:11,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:46:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:11,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:46:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:46:11,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:11,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:46:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:11,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:11,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:46:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:46:11,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:46:11,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:46:11,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:46:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:46:11,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:46:11,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:11,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:46:11,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:46:11,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-15 01:46:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:46:11,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:46:11,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:11,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:46:11,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 01:46:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:46:11,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:46:11,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:46:11,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 01:46:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:46:11,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:46:11,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:46:11,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:46:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:46:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 01:46:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:46:11,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:46:11,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:46:11,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:46:11,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:46:11,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:46:11,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:46:11,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:46:11,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:46:11,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:46:11,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:46:11,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:46:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 01:46:11,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23513254] [2020-10-15 01:46:11,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:46:11,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 01:46:11,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361016333] [2020-10-15 01:46:11,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:46:11,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:46:11,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:46:11,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:46:11,668 INFO L87 Difference]: Start difference. First operand 359 states and 449 transitions. Second operand 10 states. [2020-10-15 01:46:12,208 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-15 01:46:14,588 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-15 01:46:14,993 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-15 01:46:15,293 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-15 01:46:15,605 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-15 01:46:16,066 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-15 01:46:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:46:18,228 INFO L93 Difference]: Finished difference Result 1163 states and 1592 transitions. [2020-10-15 01:46:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:46:18,229 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-10-15 01:46:18,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:46:18,238 INFO L225 Difference]: With dead ends: 1163 [2020-10-15 01:46:18,238 INFO L226 Difference]: Without dead ends: 845 [2020-10-15 01:46:18,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-10-15 01:46:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-10-15 01:46:18,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 704. [2020-10-15 01:46:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-10-15 01:46:18,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 899 transitions. [2020-10-15 01:46:18,414 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 899 transitions. Word has length 96 [2020-10-15 01:46:18,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:46:18,414 INFO L479 AbstractCegarLoop]: Abstraction has 704 states and 899 transitions. [2020-10-15 01:46:18,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:46:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 899 transitions. [2020-10-15 01:46:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-15 01:46:18,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:46:18,420 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:46:18,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:46:18,421 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:46:18,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:46:18,421 INFO L82 PathProgramCache]: Analyzing trace with hash -950611836, now seen corresponding path program 1 times [2020-10-15 01:46:18,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:46:18,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036480647] [2020-10-15 01:46:18,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:46:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:46:18,470 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:46:18,470 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:46:18,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:46:18,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:46:18 BoogieIcfgContainer [2020-10-15 01:46:18,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:46:18,501 INFO L168 Benchmark]: Toolchain (without parser) took 19259.61 ms. Allocated memory was 148.4 MB in the beginning and 565.2 MB in the end (delta: 416.8 MB). Free memory was 103.5 MB in the beginning and 397.1 MB in the end (delta: -293.6 MB). Peak memory consumption was 123.2 MB. Max. memory is 7.1 GB. [2020-10-15 01:46:18,502 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-15 01:46:18,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.95 ms. Allocated memory was 148.4 MB in the beginning and 204.5 MB in the end (delta: 56.1 MB). Free memory was 103.1 MB in the beginning and 168.3 MB in the end (delta: -65.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-10-15 01:46:18,504 INFO L168 Benchmark]: Boogie Preprocessor took 87.56 ms. Allocated memory is still 204.5 MB. Free memory was 168.3 MB in the beginning and 163.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:46:18,505 INFO L168 Benchmark]: RCFGBuilder took 1211.63 ms. Allocated memory was 204.5 MB in the beginning and 232.8 MB in the end (delta: 28.3 MB). Free memory was 163.4 MB in the beginning and 173.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:46:18,506 INFO L168 Benchmark]: TraceAbstraction took 17254.46 ms. Allocated memory was 232.8 MB in the beginning and 565.2 MB in the end (delta: 332.4 MB). Free memory was 173.0 MB in the beginning and 397.1 MB in the end (delta: -224.2 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. [2020-10-15 01:46:18,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.95 ms. Allocated memory was 148.4 MB in the beginning and 204.5 MB in the end (delta: 56.1 MB). Free memory was 103.1 MB in the beginning and 168.3 MB in the end (delta: -65.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.56 ms. Allocated memory is still 204.5 MB. Free memory was 168.3 MB in the beginning and 163.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.63 ms. Allocated memory was 204.5 MB in the beginning and 232.8 MB in the end (delta: 28.3 MB). Free memory was 163.4 MB in the beginning and 173.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17254.46 ms. Allocated memory was 232.8 MB in the beginning and 565.2 MB in the end (delta: 332.4 MB). Free memory was 173.0 MB in the beginning and 397.1 MB in the end (delta: -224.2 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1022]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L510] int __SELECTED_FEATURE_base ; [L511] int __SELECTED_FEATURE_highWaterSensor ; [L512] int __SELECTED_FEATURE_lowWaterSensor ; [L513] int __SELECTED_FEATURE_methaneQuery ; [L514] int __SELECTED_FEATURE_methaneAlarm ; [L515] int __SELECTED_FEATURE_stopCommand ; [L516] int __SELECTED_FEATURE_startCommand ; [L517] int __GUIDSL_ROOT_PRODUCTION ; [L605] int pumpRunning = 0; [L606] int systemActive = 1; [L1027] int waterLevel = 1; [L1028] int methaneLevelCritical = 0; [L487] int retValue_acc ; [L488] int tmp ; [L492] CALL select_helpers() [L968] __GUIDSL_ROOT_PRODUCTION = 1 [L492] RET select_helpers() [L493] CALL select_features() [L953] __SELECTED_FEATURE_base = 1 [L954] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L954] RET, EXPR select_one() [L954] __SELECTED_FEATURE_highWaterSensor = select_one() [L955] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L955] RET, EXPR select_one() [L955] __SELECTED_FEATURE_lowWaterSensor = select_one() [L956] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L956] RET, EXPR select_one() [L956] __SELECTED_FEATURE_methaneQuery = select_one() [L957] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L957] RET, EXPR select_one() [L957] __SELECTED_FEATURE_methaneAlarm = select_one() [L958] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L958] RET, EXPR select_one() [L958] __SELECTED_FEATURE_stopCommand = select_one() [L959] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L959] RET, EXPR select_one() [L959] __SELECTED_FEATURE_startCommand = select_one() [L493] RET select_features() [L494] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = __SELECTED_FEATURE_base [L977] return (retValue_acc); [L494] RET, EXPR valid_product() [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L498] FCALL setup() [L499] CALL runTest() [L478] CALL test() [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 [L530] COND TRUE 1 [L532] COND TRUE splverifierCounter < 4 [L538] tmp = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp) [L542] CALL waterRise() [L1045] COND TRUE waterLevel < 2 [L1046] waterLevel = waterLevel + 1 [L542] RET waterRise() [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L570] tmp___1 = __VERIFIER_nondet_int() [L572] COND TRUE \read(tmp___1) [L573] COND TRUE \read(__SELECTED_FEATURE_stopCommand) [L575] CALL stopSystem() [L917] COND FALSE !(\read(pumpRunning)) [L924] systemActive = 0 [L575] RET stopSystem() [L585] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND FALSE !(\read(systemActive)) [L628] CALL __utac_acc__Specification3_spec__1() [L985] int tmp ; [L986] int tmp___0 ; [L987] int tmp___1 ; [L991] CALL, EXPR isMethaneLevelCritical() [L1066] int retValue_acc ; [L1069] retValue_acc = methaneLevelCritical [L1070] return (retValue_acc); [L991] RET, EXPR isMethaneLevelCritical() [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L997] CALL, EXPR getWaterLevel() [L1098] int retValue_acc ; [L1101] retValue_acc = waterLevel [L1102] return (retValue_acc); [L997] RET, EXPR getWaterLevel() [L997] tmp___0 = getWaterLevel() [L999] COND TRUE tmp___0 == 2 [L1001] CALL, EXPR isPumpRunning() [L831] int retValue_acc ; [L834] retValue_acc = pumpRunning [L835] return (retValue_acc); [L1001] RET, EXPR isPumpRunning() [L1001] tmp___1 = isPumpRunning() [L1003] COND FALSE !(\read(tmp___1)) [L1007] CALL __automaton_fail() [L1022] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 301 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.1s, OverallIterations: 3, TraceHistogramMax: 6, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 1153 SDslu, 179 SDs, 0 SdLazy, 2240 SolverSat, 963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=704occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 2 MinimizatonAttempts, 230 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 67798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 90/90 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...